CN212076107U

CN212076107U - Elevator traction machine and elevator

Info

Publication number: CN212076107U
Application number: CN202020233501.5U
Authority: CN
Inventors: 崔洪武; 钱松
Original assignee: SJEC Corp
Current assignee: SJEC Corp
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-12-04
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses an elevator hauler, include the main shaft and be located respectively the drive unit and the stopper at main shaft both ends, seted up at least two sets of grooving groups on the main shaft, every group grooving group includes one, two or more grooving, and distance between the adjacent grooving group is more than or equal to singly 4 times the grooving diameter. The utility model discloses an elevator hauler, its structure sets up rationally, replaces traditional traction sheave design through seting up the grooving on the hauler main shaft for whole hauler is small, and occupation space is little, and owing to cancelled the traction wheel part, not only cost reduction, it is relatively simpler in the preparation, and the precision also can be controlled higher.

Description

Elevator traction machine and elevator

Technical Field

The utility model relates to an elevator technical field, concretely relates to elevator hauler and including elevator of this elevator hauler.

Background

With the rapid development of social economy and the continuous improvement of living standard of common people, elevators become important tools in the lives of the masses. The structural design of the traction machine as an important component of the elevator is also becoming more and more important.

In the elevator traction machine structure in the prior art, a traction wheel is arranged, but the diameter of the traction wheel is larger, so that the whole volume of the traction machine is larger and the occupied space is large.

Disclosure of Invention

In view of this, in order to solve the problem of the prior art, the utility model provides an improved elevator traction machine, its occupation space is little.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an elevator traction machine comprises a main shaft, and a driving unit and a brake which are respectively positioned at two ends of the main shaft, wherein at least two groups of rope groove groups are arranged on the main shaft, each group of rope groove group comprises one, two or more rope grooves, and the distance between at least one pair of adjacent rope groove groups is more than or equal to 4 times of the diameter of a single rope groove. That is, when only two groups of rope groove groups are arranged on the main shaft, the distance between the two groups of rope groove groups is more than or equal to 4 times of the diameter of a single rope groove; when the main shaft is provided with a plurality of groups of rope grooves, the distance between at least two of the groups of rope grooves is more than or equal to 4 times of the diameter of a single rope groove.

The utility model discloses set up the grooving and play the effect of replacing the driving sheave on the main shaft for the whole small of whole hauler, occupation space is little. And because the traction wheel component is cancelled, the cost is reduced, the manufacture is relatively simpler, and the precision can be controlled higher. The distance between the adjacent rope groove groups is controlled, so that the stress of the main shaft is uniform, and the structural strength of the main shaft and the tractor can be further ensured.

Preferably, the diameter of the main shaft is 50 mm-300 mm, and the structural strength is ensured by controlling the thickness of the main shaft.

Preferably, the total number of the rope groove sets is even or odd.

Preferably, the total number of the rope groove groups is 2 groups. The two groups of rope groove groups are respectively arranged at two ends of the main shaft close to the driving unit and the brake, so that the stress balance is achieved.

Preferably, each group of the rope groove groups comprises the same number or different numbers of rope grooves.

Preferably, the width of each rope groove is 5-12mm, and the rope grooves with different widths and depths are arranged according to different hauling ropes.

Preferably, adjacent rope grooves in each rope groove group are arranged at equal intervals.

Preferably, the rope groove is annularly opened along the outer circumferential surface of the main shaft.

The utility model also provides an elevator, include as above elevator hauler, towline, guide rail, be located respectively the car of guide rail both sides with to heavy, the elevator hauler is located the top of guide rail, two sets of or multiunit rope groove group correspond the setting and are in the both sides on guide rail top. Namely, originally, a plurality of hoisting ropes are uniformly and separately arranged on two sides of the guide rail due to the blocking of the guide rail, and two ends of each hoisting rope are still respectively connected with the counterweight and the car.

Preferably, the hoisting rope is a steel wire rope or a coated rope. The coated rope used in the elevator is a layer of polymer material coated outside a steel wire rope.

Compared with the prior art, the utility model discloses an useful part lies in: the utility model discloses an elevator hauler, its structure sets up rationally, replaces traditional traction sheave design through seting up the grooving on the hauler main shaft for the whole of hauler is small, and occupation space is little, and owing to cancelled the traction wheel part, not only cost reduction, relatively simpler in the preparation, and the precision also can be controlled higher.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a front view of an elevator traction machine according to a preferred embodiment of the present invention;

fig. 2 is an enlarged schematic view of a main shaft of an elevator traction machine in the preferred embodiment of the invention;

wherein: the device comprises a brake-1, a main shaft-2, a driving unit-3, a rope groove group-4 and a rope groove-5.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Referring to fig. 1-2, the elevator of the present embodiment includes an elevator traction machine, a traction rope, guide rails, a car and a counterweight disposed on both sides of the guide rails, respectively, and other conventional components in the art. The elevator traction machine is arranged at the top end of the guide rail. The hoisting rope is a steel wire rope or a coating rope. The coated rope used in the elevator is a layer of polymer material coated outside a steel wire rope.

The elevator traction machine in the embodiment comprises a main shaft 2, and a driving unit 3 and a brake 1 which are respectively located at two ends of the main shaft 2, wherein two groups of rope groove groups 4 are arranged on the main shaft 2, each group of rope groove 4 comprises three rope grooves 5, the rope grooves 5 are annularly arranged along the outer circumferential surface of the main shaft 2, and the distance L between every two adjacent rope groove groups 4 is larger than 4 times of the diameter of a single rope groove 5, as shown in fig. 2. The two groups of rope groove groups 4 are respectively arranged at two ends of the main shaft 2 close to the driving unit 3 and the brake 1, so that the stress balance is achieved. And the two groups of rope groove groups 4 are correspondingly arranged on two sides of the top end of the guide rail. Namely, originally, a plurality of hoisting ropes are uniformly and separately arranged on two sides of the guide rail due to the blocking of the guide rail, and two ends of each hoisting rope are still respectively connected with the counterweight and the car.

The diameter of the main shaft 2 in the embodiment is 200mm, the diameter of the main shaft 2 in other embodiments is 50 mm-300 mm, and the structural strength is ensured by controlling the thickness of the main shaft 2.

In other embodiments, the number of the rope grooves 5 and the number of the rope groove groups 4 are set according to actual use conditions, but the adjacent rope grooves 5 in each rope groove group 4 are arranged at equal intervals, and each rope groove group 4 comprises the same number of rope grooves 5. The width of each rope groove 5 is 5-12mm, and the rope grooves 5 with different widths and depths are arranged according to different hauling ropes. The distance L between adjacent groove groups 4 is greater than or equal to 4 times the diameter of a single groove 5. If the width of the grooves is 10mm, the distance L between adjacent groove groups 4 is at least 40mm or more.

In other embodiments, a plurality of groups of rope grooves may be provided, and at least two of the groups of rope grooves have a distance greater than or equal to 4 times the diameter of a single rope groove.

The utility model discloses set up the grooving and play the effect of replacing the driving sheave on the main shaft for the small of whole hauler, occupation space is little. And because the traction wheel component is cancelled, the cost is reduced, the manufacture is relatively simpler, and the precision can be controlled higher. The distance between the adjacent rope groove groups is controlled, so that the stress of the main shaft is uniform, and the structural strength of the main shaft and the tractor can be further ensured.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. An elevator traction machine comprises a main shaft, and a driving unit and a brake which are respectively positioned at two ends of the main shaft, and is characterized in that at least two groups of rope groove groups are arranged on the main shaft, each group of rope groove group comprises one, two or more rope grooves, and the distance between at least one pair of adjacent rope groove groups is more than or equal to 4 times of the diameter of a single rope groove.

2. The elevator traction machine according to claim 1, wherein the diameter of the main shaft is 50mm to 300 mm.

3. An elevator traction machine as defined in claim 1, wherein the total number of the sheave groups is an even number or an odd number.

4. The elevator traction machine as recited in claim 1, wherein the total number of the groove groups is 2 groups.

5. The elevator traction machine as claimed in claim 1, wherein each of the rope groove groups comprises the same number of rope grooves or a different number of rope grooves.

6. The elevator traction machine according to claim 1, wherein the width of each rope groove is 5 to 12 mm.

7. The elevator traction machine as claimed in claim 1, wherein adjacent rope grooves in each of the rope groove groups are provided at equal intervals.

8. The elevator traction machine according to claim 1, wherein the rope groove is formed annularly along an outer circumferential surface of the main shaft.

9. An elevator comprising the elevator traction machine, the traction ropes, the guide rail, the cage and the counterweight according to any one of claims 1 to 8, which are respectively disposed on both sides of the guide rail, wherein the elevator traction machine is disposed on the top end of the guide rail, and two or more sets of rope grooves are correspondingly disposed on both sides of the top end of the guide rail.

10. The elevator according to claim 9, characterized in that the hoisting ropes are steel wire ropes or coated ropes.